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  1. #1

    need some guidence 99 gp12 prop

    Hello has anyone ever put a 13/19 prop on stock gp12? What is the stock pitch for stock prop.How did it work? do i need any other mods to make it work. What props work best on stock GP12.
    thanks in adavnce


  2. #2
    Flying Scotsman's Avatar
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    if its a Yd Sc I its ok a Xo would be a better choice I.M.O.

  3. #3
    Pistonwash's Avatar
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    Quote Originally Posted by Flying Scotsman View Post
    if its a Yd Sc I its ok a Xo would be a better choice I.M.O.

    Yes..this ^

  4. #4
    1998 GP1200 with bigger carbs and TC F/As
    R&D Aquavein
    Pro Tec Ride plate (thanks Scott!)
    Stock nozzles

    What impeller should I purchase? The XO? (What pitch is the XO?)
    What pitch was the stock impeller?

    I don't know what's on it now, but whatever it is, I only have about 1/2 throttle pull before it bangs the rev limiter.

    Any advice is appreciated.

  5. #5
    Is this what I am looking for?

    http://www.overtons.com/modperl/prod...=FROOGLE_31134

    If so, I see it comes with the install tool.

    Is there anything else I need to purchase when installing a new impeller?


    Is what I reference above the same as this: YD-SC-XO(14.5-17.5)# from the Solas page?
    http://www.solas.com/newweb/pwcprodu...o=F24&SwType=1

    I see part numbers that start with: YD, YF, and YB. I just want to make sure I buy the right one.

    THANKS for the help. I just want to get this thing right & soon.

  6. #6
    Flying Scotsman's Avatar
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    Overtons is a YF that's not it you need the yd sc xo 14.5/17.5
    XO works well stock and modified if your more modified then you might want a YD SC J 14/20 My fast ski has a J on it pitched to 14.5/18.5 if I remember corectly.
    XO is a great prop because it works ok on a stock boat and great on a modified boat.

  7. #7
    Quote Originally Posted by Flying Scotsman View Post
    Overtons is a YF that's not it you need the yd sc xo 14.5/17.5
    XO works well stock and modified if your more modified then you might want a YD SC J 14/20 My fast ski has a J on it pitched to 14.5/18.5 if I remember corectly.
    XO is a great prop because it works ok on a stock boat and great on a modified boat.
    Thanks Scott! Overton's had the right one, I just didn't see it.

    http://www.overtons.com/modperl/prod...o&merchID=4005

    I had a promo code that dropped the price as well. Hopefully here by this weekend.

  8. #8
    Quote Originally Posted by Flying Scotsman View Post
    if its a Yd Sc I its ok a Xo would be a better choice I.M.O.

    thanks for the advise what is the pitch on a j prop? also would that be a yd-sc-j

  9. #9
    1131 Adam E.'s Avatar
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    Quote Originally Posted by gp1200 View Post
    thanks for the advise what is the pitch on a j prop? also would that be a yd-sc-j
    I have a Solas J prop if you're interested in good shape.

    Adam

  10. #10
    Flying Scotsman's Avatar
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    Solas YD SC J is a 14/20 pitch and it is a j prop.

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